Hosan, Amjad
(Daffodil International University, 2021-04-30)
BTCL is a voice carrier, IGW, IIG, ICX, ISP, NGN, and PSTN operator, as well as a CC
Domain Registrar (.BD). BTCL owns and operates almost all of the country's copper, fiber optic,
and microwave networks. The Post and ...